Children across Wales have been learning how to tell their sparrows from their starlings today as part of the RSPB's biggest wildlife survey.
It marks the start of the charity's Big Schools' Birdwatch, which records the types of birds found in and around school grounds.
Sarah Powell went along to a school in the Vale of Glamorgan to see if she could spot any!
"Seeing it first hand is the single best way to enthuse young people about nature, and by watching birds from their classroom window, they can learn so much" says Tim Wort from RSPB Cymru.
"It's fun, easy and simple to set up, it works for all ages, and even if it's a dull, rainy January day you can still gaze out of the classroom and see a flash of colour."
The Big Schools' Birdwatch helps to track bird numbers in school grounds, and gives the charity an insight into changes in bird populations.
The results contribute towards the annual Big Garden Birdwatch.
Last year's survey found that the most commonly seen garden birds were:
- Black headed gull
- Carrion crow
From today, children in Wales will be taking part in the world's biggest school wildlife survey.
The survey helps to track bird numbers and gives an insight into populations, with the results contributing to the RSPB's Big Garden Birdwatch - the world's biggest wildlife survey.
Last year, over 4,500 pupils and teachers across Wales counted the birds in their school grounds, discovering the Blackbird to be the most commonly seen.
It was followed by the Starling in second place, and the Black Headed Gull in third.
More needs to be done to protect wildlife in Wales according to a leading charity. The Royal Society for the Protection of Birds says action is vital as habitats and species are declining.
One of our most high-profile charities, the RSPB, says it depends not just on the volunteer help they receive - but the expertise it brings with it.
Two decades ago, this was the building site for the Conwy tunnel before it was transformed into a wildlife sanctuary - and now volunteers' experiences are being turned into some much-needed help for our birds, too.
The report - the first of its kind in Wales - will be officially launched in Cardiff tonight.
The State of Nature report found that recent environmental changes are having a 'dramatic impact' on the nature of the UK's land and seas. It also found evidence that species with specific habitat requirements are faring worse than those that can better adapt to a changing environment.
Other findings include:
- Over one in seven plants in Wales are considered threatened
- 63% of Welsh butterflies are declining
- More than a third of all woodland species assessed are in decline.
- The number of breeding upland wading birds, such as curlew, lapwing and golden plover, have declined by more than 75% in recent decades
But the report also found that some species are on the increase, including hen harriers, black grouse and bats.